* {
	padding:none;
	margin:none;
}

a {
	text-decoration: none;
	color:#000;
}

p {
	padding:5px 0;
}

body {
	background-color: #c0c0c0;
}

header {
	height: auto;
	margin:0 20px;
	background: #fff;
	overflow:hidden;
	margin-top: -8px;
	
}

header div.head {
	width:1200px;
	margin:0 auto;
}

.head .logo {
	border-bottom: solid rgba(211,211,211,0.5) 3px;
}

.head .logo img {
	margin-top: 20px;
	margin-bottom: 7px;
}

.head > nav {
	margin-top: 15px;
}


.head > nav > a {
	margin-right: 30px;
	/*是用来float就不用设置display了，至少在这里不用*/
	float: left; 
	list-style-type: none;
	font-family: "微软雅黑";
	color: #7D7D7D;
	font-size: 15px;
	line-height: 50px;
	height: 50px;
	font-weight: bold;
}

.banner img {
	width: 100%;
	margin-bottom: 0;
	padding-bottom: 0;
}

section {
	margin:30px 150px;
	padding-bottom: 20px;	
}

section > article {
	background-color: #fff;
	padding: 10px;
	width: 750px;
	height: auto;
	margin-left: 0px;
	float: left;
	/*文章内容对齐方式*/
	text-align: justify;
	/*行间距*/
	line-height: 30px;
}

section > article > h1 {
	/*橙色*/
	color: #FFA500;
	line-height: 40px;
	height: 40px;
	font: bold 2em "微软雅黑";
	margin: 20px 0 10px;
	text-align: center;
}

article > p.info{
	font-size:0.8em;
	color: #c0c0c0;
	/*增加段落间距*/
	border-bottom:2px solid;
}

p.author{
	margin-top:2.5em;
	margin-bottom: 2.5em;
}

.indent{
	/*首行缩进*/
	text-indent: 2em;
}
.list-indent{
	/*列表缩进*/
	margin-left: 2em;
	margin-top:-25px;
}

aside {
	background: #fff;
	padding:5px;
	width: 400px;
	float: right;
	margin-bottom:40px;
	margin-right: 0;
	text-align: center;
}

aside img{
	width:395px;
	margin-bottom:-5px;
}

aside h4,p{
	text-align: left;	
}

aside h4{
	color:red;
}

aside p {
	margin-top:-15px;
	padding:0;
}

footer {
	width:100%;
	clear:both;
	margin-top:50px;
	background: red;
	height: 100px;
	color:white;
	font-size:1.5em;		
}

footer p {
	padding-top: 35px;
	text-align: center;
}